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Old 11-10-2007, 10:25 PM
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Media blasting compressor requirements

I've had a nice long search on here before I signed up, I've hit google and found some other info but I'm stuck on just what a compressor will need to be capable of to power a media blasting pot (sandblasting/whatever)

Plenty of people say it's impossible to mediablast with anything less than 15CFM, some say it's possible with less than 10CFM but incredibly frustrating as you have to stop and start so very much, some say it's not that bad for personal use but for shop it's just madness to go for something like that, others laugh at the rest claiming that their $200 budget compressor did the job flawlessly but they just had to work it hard.

I'm going to be mediablasting the nooks and crannies of my personal car shells (so not commercial or anything, just my own projects and maybe a few mates projects if they want). I'm keen on mediablasting as it allows me to get into those tight spots I couldnt dream of getting into with an anglegrinder and paintstripper. I really don't mind having to wait for the compressor to catch up so long as it isn't ridiculous, as I'm not going to be using it that much so I can be pretty patient.

So! Keeping all that in mind, what sort of CFM rated compressor will suit my needs? Will your average 10CFM do the trick for me? I hear if one uses smaller diameter nozzles and lines, one can get away (to some extent) with lower capacity compressors? I won't be using sand or silica abrasives, will that help the life of my nozzles or is it not really that different between your average grit abrasives?

Love to hear from you fellas, thanks for reading

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Old 11-11-2007, 12:45 AM
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Go ask the tool guys at the local hardware store. usually, 15 CFM will do it, but dont quote me. google search for Ingersoll Rand and get a #, then call them. they are usually very knowlegable about this stuff.
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